The Dodie Kazanjian and Calvin Tomkins research materials on Alexander Liberman measures 7.8 linear feet and date from 1927-1999. The collection contains sound recordings of interviews, interview transcripts, correspondence, biographical material, clippings, and some photographs. The papers and recordings were predominantly compiled during Kazanjian and Tomkin's preparation for their book, Alex: The Life of Alexander Liberman (1993).

Records of the Steinway & Sons piano company and a daily diary of William Steinway, a key figure in the rise of the company to international prominence in the nineteenth century. The records document overall operations of the company, individual piano serial numbers, and the business and personal life of William Steinway, a prominent figure in New York business, politics, and musical life.

The papers of multi-media artist Elaine Sturtevant date from circa 1960-2014, with the bulk of material dating from the period of the artist's resurgence, 1990-2014. The collection measures 5.2 linear feet and 0.003 GB. The papers document Sturtevant's career and artistic process through correspondence with artists and curators, writings and illustrated notes, exhibition and catalog files, project files, and printed material. Sturtevant's voice and artistic mission emerge through the many items of correspondence, essays, and project notes in the collection. The collection also contains a few born-digital files of scans of exhibition photographs dating from the 1960s.

The papers of African American arts administrator and director of Cinque Gallery, Ruth Jett, measure 7.8 linear feet and date from 1914 to 2014. The collection contains biographical material; correspondence with family, friends, and colleagues including William Branch, Vinie Burrows, John and Vivian Hewitt, Langston Hughes, and Charles and Frances White; and administrative and professional files which include material related to the American Society of African Culture, the Carnegie Endowment for International Peace, Cinque Gallery, the Cinque Artists Program at the Romare Bearden Foundation, the Library of Congress Center for the Book, and the Schomburg Corporation. The collection also includes writings, primarily typescript copies of literary works by others, including Langston Hughes and Ossie Davis, as well as notes; printed material such as clippings, exhibition and event announcements, books and magazines, and press releases; and photographic material including photographs, snapshots, negatives, and slides depicting Ruth Jett and other individuals, travel, Carnegie Endowment for International Peace fellows and events, and works of art. Also found is a small amount of artwork including a sketchbook, sketches, a painting, and a print.

The papers of art historican August Jaccaci measure 7.2 linear feet and date from 1889 to 1935, with the bulk of the material dating from 1904 to 1914. The collection documents Jaccaci's work as an art historian, writer, and editor, primarily during the period he researched, compiled, and published his book Noteworthy Paintings in Private American Collections. More than one-half of the collection consists of extensive correspondence to and from many notable artists, collectors, and art historians, including John La Farge, Kenyon Cox, Isabella Stewart Gardner, and Bernard Sickert concerning the research and publication of the book. The papers also house legal files, writings and notes, art collection research files, and photographs of artwork.

The papers of painter and naturalist, Abbott Handerson Thayer, and the Thayer family date from 1851 to 1999, with the bulk of the material dating from 1881 to 1950, and measure 5.12 linear feet. Thayer's painting career, interest in concealing coloration (camouflage) in nature, and relationships with artists, patrons, family, and friends are documented through correspondence, writings, scattered legal and financial records, printed materials, and a scrapbook. Photographs are of Thayer, his family, studio, and friends, including artists. The collection also contains family papers created by his second wife, Emma Beach Thayer, his son Gerald, his daughters Mary and Gladys, and Gladys' husband David Reasoner, who managed Thayer's estate after his death.

The papers of curator and art historian Julia P. Herzberg measure 7.6 linear feet and date from 1977-2018. Included are Herzberg's files on exhibitions and artists containing correspondence, printed material, interview transcripts, and notes and drafts by Herzberg. Artists include Wilfredo Lam, Doris Salcedo, Ana Mendieta, and Jorge Tacla among others.

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Furniture and Furnishings forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana

The papers of Reginald R. Isaacs measure 22.54 linear feet and date from 1842 to 1991, with the bulk of the material from 1928 to 1991. The collection includes Isaacs's personal and professional papers, as well as extensive research material he collected and created for his two-volume biography, Walter Gropius: The Man and His Work.

The collection comprises 29 linear feet of records that document the day-to-day administration of the Robert Schoelkopf Gallery from 1962 to 1991, with additional items predating the founding of the gallery from 1851 to 1961. The collection records artist and client relations, exhibitions, and daily business transactions through artist files, correspondence, printed matter, and photographic material.